Operational Check of the Hydraulic Brake Filter

TASK 32-43-00-710-803-A
Operational Check of the Hydraulic Brake Filter

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

ZONE: 148
FIN: 2862GM ** ON A/C NOT FOR ALL

1. Reason for the Job
To make sure that the brake filter is in the correct condition.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
148	MAIN GEAR WELL AND HYDRAULIC COMPARTMENT

C. Referenced Information

REFERENCE	DESIGNATION
TASK 29-10-00-210-002-A	Check Clogging Indicators on Return, Case Drain, Ground Servicing, HP Delivery, HP Bleed Air and LP Bleed Air, Water Separator Filters and Reservoir Pressurization Filter
TASK 32-12-00-010-001-A	Open the Main Gear Doors for Access
TASK 32-12-00-410-001-A	Close the Main Gear Doors after Access
TASK 32-43-00-710-001-A	Operational Check of Alternate Braking System
TASK 32-43-21-600-001-A	Servicing of the Hydraulic Brake Filter
TASK 32-43-21-960-801-A	Replacement of the Clogging Indicator of the Hydraulic Brake Filter
TASK 32-45-00-710-001-A	Operational Check of the Parking Brake System
HYDRAULIC BRAKE FILTER

3. Job Set-up
Subtask 32-43-00-010-057-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Open the right MLG door (Ref. AMM TASK 32-12-00-010-001).
(2) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position below the right MLG door.

4. Procedure
Subtask 32-43-00-710-064-A ** ON A/C NOT FOR ALL

A. Check of the Red Indicator Button of the Hydraulic Brake Filter (2862GM)
(1) Do a check of the red indicator button of the hydraulic brake filter.
(a) If the red indicator button is not out, no maintenance is necessary.
(b) If the red indicator button is out:
1 Replace the filter element of the hydraulic brake filter (2862GM) (Ref. AMM TASK 32-43-21-600-001).
2 Push the red indicator button.
3 Do the operational check of the alternate braking system (Ref. AMM TASK 32-43-00-710-001).
4 Do the operational check of the parking brake system (Ref. AMM TASK 32-45-00-710-001).
5 If the red indicator button is out (after the operational check of the alternate braking system and the operational check of parking brake system):
a Replace the clogging indicator (1) (Ref. AMM TASK 32-43-21-960-801).
6 If the red indicator button is not out (after the operational check of the alternate braking system and the operational check of parking brake system):
a Make an entry in the logbook to do a check of the clogging indicator (1) again after the next two flights.
b After the next two flights, if the red indicator button is out:

Push the red indicator button.
Make sure that the red indicator button of the Yellow HP filter (3048GM) is not out (Ref. AMM TASK 29-10-00-210-002).
Replace the filter element of the hydraulic brake filter (2862GM) (Ref. AMM TASK 32-43-21-600-001).

c Make an entry in the logbook to do a check of the clogging indicator (1) again in less than five flight cycles.
d During the monitoring period (less than five flight cycles), make sure that the clogging indicator (1) is not out.

5. Close-up
Subtask 32-43-00-410-059-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Close the right MLG door (Ref. AMM TASK 32-12-00-410-001).

[Rev.10 from 2021] 2026.04.02 06:22:06 UTC